Re: Adding new collations after pg_upgrade?

On 01/06/2019 07:51 PM, Tom Lane wrote:
> rihad <rihad(at)mail(dot)ru> writes:
>> Hi. on a freshly installed 10.6 I can see all ICU collations added in
>> pg_collation schema. Is there a way to have them for an existing
>> database cluster?
> There's a function called something like pg_import_system_collations.
> See documentation.

Thanks a lot!

postgres=# select pg_import_system_collations('pg_catalog');
 pg_import_system_collations
-----------------------------
                         798
(1 row)

postgres=# select pg_import_system_collations('pg_catalog');
 pg_import_system_collations
-----------------------------
                           0
(1 row)

>
> regards, tom lane
> .
>